The R&D market of commercial vehicles and parts is outstanding. Since the early 1990s, the automobile products developed by the company's core team have sold more than 3 million vehicles in the domestic market, and the annual sales volume in 2008 reached more than 500,000 vehicles. The products cover the leading products of mainstream commercial vehicles, such as Ou Man Heavy Truck, Dongfeng New Light Truck, Beiqi Light Truck and SUV, Jianghuai Truck, etc.
2. Seamless connection between market and product technology and plastic arts.
With more than 20 years of accumulated product development experience and tracking research on domestic target markets, we can timely and accurately grasp the changing trend of the volume and structure of target markets, provide customers with accurate product positioning and specific product development services according to different customer market needs, put forward reasonable and accurate product mix planning, and basically develop one successfully.
Based on the understanding of domestic automobile market, the development trend of global automobile modeling and the aesthetic taste of target market users, the product modeling is accurately positioned. The feasibility study of the whole process modeling from renderings to full-scale models is meticulous and accurate, which ensures the organic integration of modeling and product structure engineering design, and effectively avoids the common modeling dislocation and the listing of "beautiful but useless" new products.
We have a design team with independent development ability, which can provide a series of vehicle design services such as modeling trend analysis, internal and external modeling design, modeling, sample making, color and fabric development, including computer-aided modeling (CAS) and aerodynamic simulation. The A-class surface evaluation method combining curvature comb and highlight shows that the surface conforms to the A-class surface standard of European, American and Japanese automobile companies. In addition, we also set up a simple-Yangmei Automobile Creative Design Center with the Central Academy of Fine Arts, which is the top modeling creative platform in China, providing customers with more high-quality creative design solutions.
3, new product quality planning in advance (APQP) ability
The company's main leaders are automotive technical experts specially appointed by the Ministry of Science and Technology and major project evaluation institutions directly under the National Development and Reform Commission, and personally preside over the pre-planning meeting of new product quality. In the project planning stage, the guiding principles, key and difficult contents, key technologies, implementation routes and risk avoidance measures of new product development are formulated, which will be used as the guiding documents for subsequent development after examination and approval, and also as the input conditions for modeling design, product structure design, trial production and test verification.
Long-term attention to study the development trends of automobile technology in Europe and Japan, maintain extensive contacts and exchanges with European and Japanese automobile companies, participate in the annual automobile exhibitions in Europe and Japan, and obtain the latest international automobile technology data and information. On this basis, combined with the characteristics of domestic market demand and the availability of technical resources, product planning and development are more forward-looking and differentiated.
4. Management ability of alternative vehicle development projects
The core team members of the company summed up a set of efficient and practical project management processes through the practice of several major replacement vehicle development projects. In the vehicle development project, the matrix organization and management structure is adopted, and knowledge, skills, tools and technologies are fully used to plan, organize, guide and control resources, emphasizing the synchronization, parallelism and systematicness of the design process, as well as the coordination and integration among relevant functional departments. In the end, the replacement project was put into production on time with good quality and quantity.
5. Design process and design standard system.
After more than 20 years of practice and accumulation in the design and development of high-strength new products, a simple, practical, scientific and meticulous development process has been formed today, which ensures the high efficiency, rapidity and high quality of new product development.
It has a complete system of design standards and specifications, including international standards, national standards, industry standards, European, American and Japanese automobile company standards, as well as simplified company-specific standards and specifications, from research and design to manufacturing and maintenance. A powerful simplified standard database is an important guarantee for the performance and quality of newly developed products.
6. Huge design database
There are hundreds of benchmark databases of commercial vehicles and passenger cars at home and abroad, including: 3D digital models, 2D drawings, structural pictures, engineering analysis reports, test reports, scanned point clouds, ergonomics data, etc. In the planning stage of new products, as the basic data of product benchmarking, it provides important reference for the structural design and development of new products, and is also the basic basis for the performance design of new products.
There are many expert software systems for computer aided design and calculation analysis with simple independent intellectual property rights granted by the national intellectual property department, including engine application engineering expert system, commercial vehicle computer aided design software system, passenger vehicle computer aided design software system, commercial vehicle database application system, automotive powertrain mounting system computer aided design system, simple PDM product data management system, etc. , which plays an important role in improving development quality and shortening development cycle.
7, design quality control and improvement
Strictly abide by simplified design standards and processes, conduct quality inspection and node review in the whole process of new product development, adopt DFMEA analysis technology in the product design process, analyze the subsystems and parts that make up the product, analyze each process of the composition process one by one, find out all potential failure modes, analyze possible adverse consequences, and take necessary measures in advance. It also adopts accurate list control process to improve the design quality and efficiency of products.
Modern body design technology is adopted, and the whole process of body development adopts main section control method and three-dimensional structure design technology, as well as ergonomics technology, CAE analysis and verification, DMU and modular design. Adopt GD &；; Using T method to design 2D drawings, including parts positioning reference strategy, DTS definition, quality control planning of body in white, geometric dimension detection of parts and assemblies, R&R evaluation, spiral car manufacturing and assembly, geometric dimension fault diagnosis of body in white and comprehensive evaluation of body in white, so as to ensure the reasonable distribution of manufacturing tolerance of body in white and control the manufacturing quality of parts and vehicles.
Based on the accurate grasp of the target market and customer needs and conditions, we can put forward reasonable product mix planning and chassis platform planning; Good at integrated optimization design of new chassis platform and new development of key components; According to the overall design performance target of the vehicle, the chassis platform planning and product positioning, using special vehicle design calculation and analysis software and CAE analysis, the socially mature parts resources are optimized and matched and the chassis is newly developed to ensure the performance, reliability and cost control target of the vehicle.
Have the basic analytical ability of "four major processes". Close cooperation with the factory design institute through (1); ⑵ Cooperation with tooling system suppliers; ⑶ By employing Japanese and Taiwan Province tooling technical experts and other cooperation methods, the technological problems such as stamping, welding, painting and final assembly are solved in the product design stage, which greatly shortens the product development cycle and fully embodies the manufacturing-oriented design concept. Meanwhile, RPS & amp； PLP technology designs the product positioning reference system or the main control points of product errors step by step on the drawings of parts, assemblies, subassemblies and body-in-white structures according to the grade of the size characteristics of stamping parts and weldments and the error transmission in the product manufacturing process, thus effectively controlling the product quality and reducing the cost.
Based on the latest models in Europe and Japan, product quality standards are formulated in combination with product positioning. According to the requirements of quality design standards, design quality reference books and two-dimensional engineering drawings for newly designed parts or modified parts. Through the supplier's quality control process, sample submission process at each stage, part function evaluation, multi-wheel prototype vehicle trial assembly verification and testing, the quality of parts submitted by the supplier can meet the design requirements.
8. Strong design verification ability
Fully study the benchmark car and competing car, determine the design performance index of the whole vehicle, and decompose the target. CAE analysis means can be fully applied from conceptual design to all stages of product development. Through parameter and finite element structure optimization, flow field analysis and dynamic simulation, the matching design and performance optimization of the whole vehicle and main systems can be realized, and the product performance in all stages of development can be ensured to be within the control objectives.
⑴CAE simulation calculation and analysis ability is strong: according to the CAE analysis specification, the appearance modeling, the whole vehicle, the car body and each system assembly are analyzed and calculated, and the product performance can be predicted in the development stage, and the corresponding optimization scheme is put forward.
⑵ All means of prototype design verification: It has a prototype trial workshop of more than 5,000 square meters and complete measuring and testing equipment, and can carry out trial production, measurement and design verification of multiple prototype vehicles at the same time.
Design verification items include: external flow field, body mode, internal flow field and temperature field, collision safety, RP structure verification, screw body trial production verification, BIW trial welding verification, OTS prototype verification, T 1 ~ T3 prototype trial assembly, etc.
We have complete tooling tools and equipment, including five-axis CNC milling equipment, multiple sets of three-coordinate measuring devices and multiple tooling platforms. We can make six full-size sludge or resin models of heavy trucks, light trucks or medium-sized buses at the same time, and match them with decorative pieces such as simulated RP lamps and new color paints, which makes the models more complete and real and provides good conditions for market development and decision-making led by customers.
9. Rich supplier resources and synchronous development experience.
Over the years, the company has accumulated rich domestic and foreign supplier system resources to provide customers with supplier system optimization solutions for specific product quality and price positioning. At the same time, I have the experience of working in parallel with upstream and downstream departments such as manufacturing and technology.
We have maintained good cooperative relations with many automobile key parts mold manufacturers in Europe and Japan, and have extensive learning and communication channels in the field of automobile tooling development. At the same time, the company has also formed a good tooling system with many powerful domestic manufacturers of molds, welding lines and inspection tools, as well as system suppliers of internal and external accessories, electrical appliances and chassis parts, which has simple characteristics.
10, Fine Setting, Decomposition and Control of Target Cost
The company has a rich target cost database of basic vehicle models, decomposes the overall target cost of new products step by step according to the project product planning, and finally determines the target cost of each specific component and assembly, implements cost control in all aspects of design and development, and assists the OEM in the whole process management of the target cost to ensure the final realization of the overall target cost control goal.
1 1, green design concept
Pay attention to green design, consider the materials used in the product design stage, choose recyclable materials as far as possible, and adopt manufacturing technology with little impact on the environment. The concept of green design runs through the whole life cycle of products.
12, client development system construction and personnel training assistance
In the process of project development and promotion, provide long-term strategic cooperation customers with consulting on the construction of secondary R&D system and training assistance for relevant technicians.